<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no"><!-- user-scalable=no为不可缩放 -->
		<title>任务1:九宫格——用html+css制作一个网页</title>
		<link rel="stylesheet" type="text/css" href="任务1-九宫格.css" />
	</head>
	<body>
		<div class="box9">
			<div class="boxchild">1</div>
			<div class="boxchild">2</div>
			<div class="boxchild">3</div>
			<div class="boxchild">4</div>
			<div class="boxchild">5</div>
			<div class="boxchild">6</div>
			<div class="boxchild">7</div>
			<div class="boxchild">8</div>
			<div class="boxchild">9</div>
		</div>
		<a href="https://xluos.github.io/demo/flexbox/" target="_blank">
			flex详细说明
		</a>
	</body>
</html>
